•A single Ti-RANT 45™ series silencer can be used on a variety of host firearms w/different barrel threads by quickly & easily swapping out the threaded A.S.A.P. piston in the rear of the silencer •All Ti-RANT™ series pistons feature heat treated stainless steel construction a matte bead blasted finish & engraving to identify the thread diameter pitch and direction of rotation for installation